Price of pen up 15%. By what % reduce consumption so that expenditure rises only 5%? MCQ with Answer and Explanation

Price of pen up 15%. By what % reduce consumption so that expenditure rises only 5%?
A. 8%
B. 10%
C. 8.7%
D. 9.09%
Answer: Option C
Solution (By JKExamLibrary)
1.15 × x = 1.05 → x = 1.05/1.15 ≈ 0.91304, reduction = 8.7%.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1 Report Error
Convert the fraction 3/8 into a percentage.
A. 35%
B. 40%
C. 37.5%
D. 33.33%

Correct Answer: Option C


Explanation:
(3 / 8) * 100% = 37.5%.

This question belongs to: Maths Percentage
Question #2 Report Error
Two numbers are respectively 30% and 45% more than a third number. The ratio of the two numbers is:
A. 30:45
B. 17:20
C. 26:29
D. 13:15

Correct Answer: Option D


Explanation:
Third = 100, first = 130, second = 145. Ratio = 130:145 = 26:29. Wait, 130/145 simplifies dividing by 5 gives 26:29. So ratio 26:29. Option A is 26:29. So answer A. But I had B as 13:15. So I'll set A 26:29. Correct_answer A.

This question belongs to: Maths Percentage
Question #3 Report Error
A student scored 72 marks out of 120. What is his percentage?
A. 70%
B. 65%
C. 60%
D. 55%

Correct Answer: Option C


Explanation:
Percentage = (72/120) × 100 = 60%.

This question belongs to: Maths Percentage